Thank you for taking interest in Dresser Industries Inc part number 1990T-1 21 35-50PSI, which is listed with the NSN 4820-00-287-3139 and a product description of “Valve Safety Relief.” In order to receive procurement options on this particular listing, we ask that you fill out and submit the form provided below with as much information as you can concerning your needs. By supplying our staff with key details on your desired quantity, pricing target, and expedited fulfillment timeframe, we can respond with a quote that has been specifically tailored to your unique specifications. We also ask that you make us aware of any restrictions that you may have as soon as possible, such as if you have a time constraint or are seeking unlisted items.
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| NSN | FSC | NIIN | CLS | Hazmat | DEMIL | Cancelled NSN |
|---|---|---|---|---|---|---|
| 4820-00-287-3139 Item PartTypeName: VALVE,SAFETY RELIEF | 4820 | 002873139 | 0 | N | ||
| CIIC | HCC | ESD | PMIC | Criticality | ENAC | |
| U | U | |||||
| Part Number | ISC | RNVC | RNCC | HCC | MSDS | SADC |
| 1990T-1/2X1-36-50PSI | 2 | 9 | 3 |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAAR | NOMINAL PIPE SIZE ACCOMMODATED | 0.500 INCHES 2ND END |
| AAAR | NOMINAL PIPE SIZE ACCOMMODATED | 1.000 INCHES 1ST END |
| ADQU | FLOW CONTROL DEVICE | DISK |
| ADSU | DISK LOADING METHOD | SPRING |
| ADSY | VALVE DISCHARGE FLOW RATE | 93.0 POUNDS PER HOUR |
| AEHZ | MAXIMUM OPERATING TEMP | 800.0 DEG FAHRENHEIT SINGLE RESPONSE |
| AEQJ | MINIMUM OPERATING TEMP | 401.0 DEG FAHRENHEIT |
| AHNC | CONNECTION STYLE | SOCKET ERR-100 |
| AQLR | VALVE OPERATION METHOD | AUTOMATIC |
| AWLS | CONNECTION TYPE | UNTHREADED INTERNAL PIPE ALL ENDS |
| CQCY | ADJUSTABLE PRESSURE RANGE | 33.0 TO 55.0 POUNDS PER SQUARE INCH |
| CQGM | MAXIMUM OPERATING PRESSURE | 2000.0 POUNDS PER SQUARE INCH SINGLE RESPONSE |
| CSDC | OPENING PRESSURE SETTING | 50.0 POUNDS PER SQUARE INCH |
| FEAT | SPECIAL FEATURES | W/LIFTING LEVER AND INCONEL SPRING |
| MATT | MATERIAL | STEEL COMP 316 BODY |
| MATT | MATERIAL | STEEL COMP 316 FLOW CONTROL DEVICE |
| MATT | MATERIAL | STEEL COMP 410 STEM |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A276 COND T ASSN STD SINGLE MATERIAL RESPONSE STEM |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A479 ASSN STD SINGLE MATERIAL RESPONSE BODY |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A479 ASSN STD SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE |
| MEDA | MEDIA FOR WHICH DESIGNED | STEAM SINGLE RESPONSE |
| STYL | STYLE DESIGNATOR | ANGLE |
| ZZZT | NONDEFINITIVE SPEC/STD DATA | A-1 TYPE AND C CLASS |
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